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Finding the Fourth Proportional to 2,385.88, 3,292.53 and 1,337.88

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Solution

The fourth proportional to 2,385.88, 3,292.53 and 1,337.88 is: 1,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.88 : 3,292.53 = 1,337.88 : x
  2. Step 2: Convert to fraction form
    2,385.88/3,292.53 = 1,337.88/x
  3. Step 3: Cross multiply
    2,385.88x = 3,292.53 × 1,337.88
  4. Step 4: Simplify right side
    2,385.88x = 4,405,010.04
  5. Step 5: Solve for x
    x = 4,405,010.04/2,385.88
  6. Step 6: Final answer
    x = 1,846.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.